public DistributionInfoData(DistributionMode distMode, ClusterActivity clustActivity, PartNodeInfo affectedNode, bool underMaintenance)
{
_distMode = distMode;
_clustActivity = clustActivity;
_affectedNode = affectedNode;
isUnderMaintenance = underMaintenance;
}
public override bool Equals(object obj)
{
if (obj is PartNodeInfo)
{
PartNodeInfo other = (PartNodeInfo)obj;
if ((this.NodeAddress.Equals(other.NodeAddress)) && this._subGroupId == other._subGroupId)
{
return(true);
}
}
return(false);
}
public DistributionInfoData(DistributionMode distMode, ClusterActivity clustActivity, PartNodeInfo affectedNode)
{
_distMode = distMode;
_clustActivity = clustActivity;
_affectedNode = affectedNode;
}
private void handleBalanceDataLoad(object info)
{
Address requestingNode = info as Address;
PartNodeInfo partNode = new PartNodeInfo(requestingNode, null, false);
DistributionInfoData distData = new DistributionInfoData(DistributionMode.Manual, ClusterActivity.None, partNode);
DistributionMaps maps = GetMaps(distData);
if (maps.BalancingResult == BalancingResult.Default)
{
PublishMaps(maps);
}
}
public object GetDistributionAndMirrorMaps(object data)
{
NCacheLog.Debug("MessageResponder.GetDistributionAndMirrorMaps()", "here comes the request for hashmap");
object[] package = data as object[];
ArrayList members = package[0] as ArrayList;
bool isJoining = (bool)package[1];
string subGroup = (string)package[2];
bool isStartedAsMirror = (bool)package[3];
ClusterActivity activity = ClusterActivity.None;
activity = isJoining ? ClusterActivity.NodeJoin : ClusterActivity.NodeLeave;
DistributionMaps maps = null;
// if the joining node is mirror and its coordinator/active exists
{
PartNodeInfo affectedNode = new PartNodeInfo((Address)members[0], subGroup, !isStartedAsMirror);
DistributionInfoData info = new DistributionInfoData(DistributionMode.OptimalWeight, activity, affectedNode);
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ClusterService.GetDistributionMaps", "NodeAddress: " + info.AffectedNode.NodeAddress.ToString() + " subGroup: " + subGroup + " isMirror: " + isStartedAsMirror.ToString() + " " + (isJoining ? "joining" : "leaving"));
maps = _distributionPolicyMbr.GetDistributionMaps(info);
}
CacheNode[] mirrors = _distributionPolicyMbr.GetMirrorMap();
NCacheLog.Debug("MessageResponder.GetDistributionAndMirrorMaps()", "sending hashmap response back...");
return new object[] { maps, mirrors };
}
/// <summary>
/// Notify the target object of a change of membership.
/// </summary>
/// <param name="new_view">New view of group</param>
void MembershipListener.viewAccepted(View newView)
{
System.Collections.ArrayList joined_mbrs, left_mbrs, tmp;
ArrayList joining_mbrs = new ArrayList();
lock (viewMutex)
{
object tmp_mbr;
if (newView == null)
return;
NCacheLog.CriticalInfo("ClusterService.ViewAccepted", newView.ToString());
tmp = newView.Members;
if (newView.Vid != null)
{
this._lastViewId = newView.Vid.Id;
}
// get new members
joined_mbrs = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
for (int i = 0; i < tmp.Count; i++)
{
tmp_mbr = tmp[i];
if (!_members.Contains(tmp_mbr))
joined_mbrs.Add(tmp_mbr);
}
int localIndex = 0;
if (joined_mbrs.Contains(LocalAddress))
localIndex = joined_mbrs.IndexOf(LocalAddress);
for (int i = localIndex; i < joined_mbrs.Count; i++)
{
joining_mbrs.Add(joined_mbrs[i]);
}
// get members that left
left_mbrs = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
for (int i = 0; i < _members.Count; i++)
{
tmp_mbr = _members[i];
if (!tmp.Contains(tmp_mbr))
left_mbrs.Add(tmp_mbr);
}
// adjust our own membership
_members.Clear();
_members.AddRange(tmp);
//muds:
//pick the map from the view and send it to cache.
//if i am the only member, i can build the map locally.
if (newView.DistributionMaps == null && newView.Members.Count == 1)
{
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ClusterService.viewAccepted()", "I am the only member in the view so, building map myself");
PartNodeInfo affectedNode = new PartNodeInfo(LocalAddress, _subgroupid, true);
DistributionInfoData info = new DistributionInfoData(DistributionMode.OptimalWeight, ClusterActivity.NodeJoin, affectedNode);
DistributionMaps maps = _distributionPolicyMbr.GetDistributionMaps(info);
if (maps != null)
{
_distributionPolicyMbr.HashMap = maps.Hashmap;
_distributionPolicyMbr.BucketsOwnershipMap = maps.BucketsOwnershipMap;
}
}
else
{
if (newView.MirrorMapping != null)
{
_distributionPolicyMbr.InstallMirrorMap(newView.MirrorMapping);
NCacheLog.Info("ClusterService.viewAccepted()", "New MirrorMap installed.");
}
if (newView.DistributionMaps != null)
{
_distributionPolicyMbr.InstallHashMap(newView.DistributionMaps, left_mbrs);
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ClusterService.viewAccepted()", "New hashmap installed");
}
}
lock (_servers.SyncRoot)
{
if (left_mbrs.Count > 0)
{
for (int i = left_mbrs.Count - 1; i >= 0; i--)
{
Address ipAddr = (Address)((Address)left_mbrs[i]);
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ClusterService.viewAccepted", ipAddr.AdditionalData.Length.ToString());
ipAddr = (Address)ipAddr.Clone();
if (_servers.Contains(ipAddr))
_servers.Remove(ipAddr);
OnMemberLeft(ipAddr, CompactBinaryFormatter.FromByteBuffer(ipAddr.AdditionalData, _context.SerializationContext) as NodeIdentity);
ipAddr.AdditionalData = null;
}
}
_validMembers = (ArrayList)_members.Clone();
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ClusterService.viewAccepted", joining_mbrs.Count.ToString());
if (joined_mbrs.Count > 0)
{
for (int i = 0; i < joined_mbrs.Count; i++)
{
Address ipAddr = (Address)joined_mbrs[i];
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ClusterService.viewAccepted", ipAddr.AdditionalData.Length.ToString());
ipAddr = (Address)ipAddr.Clone();
if (OnMemberJoined(ipAddr, CompactBinaryFormatter.FromByteBuffer(ipAddr.AdditionalData, _context.SerializationContext) as NodeIdentity, joining_mbrs))
{
if (NCacheLog.IsInfoEnabled) NCacheLog.Info("ClusterServices.ViewAccepted", ipAddr.ToString() + " is added to _servers list.");
_servers.Add(ipAddr);
}
ipAddr.AdditionalData = null;
}
}
}
if (String.IsNullOrEmpty(_bridgeSourceCacheId))
_bridgeSourceCacheId = newView.BridgeSourceCacheId;
OnAfterMembershipChange();
}
}
public DistributionInfoData(DistributionMode distMode, ClusterActivity clustActivity, PartNodeInfo affectedNode)
{
_distMode = distMode;
_clustActivity = clustActivity;
_affectedNode = affectedNode;
}
internal override void AutoLoadBalance()
{
if (_distributionMgr.CandidateNodesForBalance.Count > 0)
{
DetermineClusterStatus();
ArrayList candidateNodes = _distributionMgr.CandidateNodesForBalance;
if (candidateNodes != null && candidateNodes.Count > 0)
{
DistributionMaps maps = null;
DistributionManager.CandidateNodeForLoadBalance candidateNode =
candidateNodes[0] as DistributionManager.CandidateNodeForLoadBalance;
if (NCacheLog.IsInfoEnabled)
NCacheLog.Info("PartitionedCache.AutoLoadBalance",
"candidate node count: " + candidateNodes.Count + " candidate node :" + candidateNode.Node +
" above avg(%) :" + candidateNode.PercentageAboveAverage);
PartNodeInfo nodeInfo = new PartNodeInfo(candidateNode.Node as Address, null, false);
DistributionInfoData distInfo = new DistributionInfoData(DistributionMode.Manual,
ClusterActivity.None, nodeInfo);
maps = _distributionMgr.GetMaps(distInfo);
if (NCacheLog.IsInfoEnabled)
NCacheLog.Info("PartitionedCache.AutoLoadBalance", "result :" + maps.BalancingResult);
if (maps.BalancingResult == BalancingResult.Default)
{
PublishMaps(maps);
}
}
else if (NCacheLog.IsInfoEnabled)
NCacheLog.Info("PartitionedCache.AutoLoadBalance", "No need to load balance");
}
}
